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In this task, we need to determine the symbol of the ion that is most likely formed from that element.
First, locate the element with the given atomic number in the periodic table. The given atomic number is 87, and this atomic number corresponds to francium (Fr).
Francium is a metal located in group 1A. Metals that are in group 1A are called alkali metals. What is specific about alkali metals is that they lose 1 electron and form ions with a 1+ charge.
Therefore, francium will lose 1 electron and form an Fr cation.
First, find the element with this atomic number.
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